- ISIN
- US4577301090
- CUSIP
- 457730109
- Sector
- Healthcare
- Industry
- Medical Devices
- IPO Date
- May 3, 2018
Highlights
- Market Cap
- $1.45B
- Enterprise Value
- $1.38B
- EPS (TTM)
- $4.50
- PE Ratio
- 11.17
- PEG Ratio
- 0.06
- Total Revenue (TTM)
- $915.25M
- Gross Profit (TTM)
- $785.06M
- EBITDA (TTM)
- $67.14M
- Year Range
- $38.91 - $147.03
- Target Price
- $91.33
- ROA (TTM)
- 14.39%
- ROE (TTM)
- 16.55%
- Avg. Volume (1M)
- 879K
- Avg. Volume Value (1M)
- $44.43M
Share Price Chart
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Performance
INSP Performance Chart
Inspire Medical Systems, Inc. (INSP) is down 45.6% since the beginning of the year. At $50 per share, INSP is trading 65.9% below its 52-week high of $147. Investors who bought $1,000 worth of INSP shares 5 years ago would now be looking at an investment worth $274.
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Returns By Period
Inspire Medical Systems, Inc. (INSP) has returned -45.56% so far this year and -60.18% over the past 12 months.
Inspire Medical Systems, Inc.
- 1D
- 0.38%
- 1M
- 6.94%
- 6M
- -33.74%
- YTD
- -45.56%
- 1Y
- -60.18%
- 3Y*
- -44.32%
- 5Y*
- -22.80%
- 10Y*
- —
- ALL TIME*
- 9.10%
Benchmark (S&P 500 Index)
- 1D
- 0.70%
- 1M
- 0.09%
- 6M
- 7.94%
- YTD
- 9.41%
- 1Y
- 20.07%
- 3Y*
- 17.84%
- 5Y*
- 11.25%
- 10Y*
- 13.26%
- ALL TIME*
- 8.09%
INSP Monthly Returns History
Based on dividend-adjusted daily data since May 3, 2018, INSP's average daily return is +0.11%, while the average monthly return is +2.15%. At this rate, an investment would double in approximately 2.7 years.
Historically, 55% of months were positive and 45% were negative. The best month was Nov 2025 with a return of +72.6%, while the worst month was May 2024 at -34.3%. The longest winning streak lasted 6 consecutive months, and the longest losing streak was 9 months.
On a daily basis, INSP closed higher 51% of trading days. The best single day was Nov 3, 2020 with a return of +31.8%, while the worst single day was May 8, 2024 at -33.5%.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Total | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | -17.84% | -14.87% | -20.04% | 8.84% | -26.33% | 7.86% | 12.55% | -45.56% | |||||
| 2025 | 4.38% | -4.09% | -14.18% | -0.57% | -12.74% | -6.10% | -4.03% | -24.77% | -20.80% | -2.86% | 72.60% | -25.87% | -50.25% |
| 2024 | 3.66% | -15.09% | 19.97% | 12.51% | -34.29% | -15.72% | 5.39% | 27.49% | 17.37% | -7.59% | -1.17% | -3.83% | -8.87% |
| 2023 | 0.47% | 2.71% | -9.95% | 14.34% | 9.29% | 10.99% | -11.34% | -21.17% | -12.54% | -25.84% | -1.26% | 40.00% | -19.24% |
| 2022 | -3.81% | 10.29% | 5.17% | -19.84% | -14.06% | 3.30% | 14.41% | -8.37% | -7.37% | 9.91% | 23.91% | 4.27% | 9.48% |
| 2021 | 7.13% | 15.52% | -11.08% | 14.41% | -17.95% | -0.54% | -5.23% | 22.06% | 4.17% | 15.76% | -17.18% | 3.04% | 22.31% |
Benchmark Metrics
Inspire Medical Systems, Inc. has an annualized alpha of 8.86%, beta of 1.28, and R2 of 0.17 versus S&P 500 Index. Calculated based on daily prices since May 03, 2018.
- This stock participated in 122.75% of S&P 500 Index downside but only 106.74% of its upside - more exposed to losses than it benefited from rallies.
- R2 of 0.17 means this stock moves largely independently of S&P 500 Index - capture ratios reflect limited market correlation rather than active downside protection. Consider using a more representative benchmark.
- Alpha
- 8.86%
- Beta
- 1.28
- R²
- 0.17
- Upside Capture
- 106.74%
- Downside Capture
- 122.75%
Return for Risk
Risk / Return Rank
INSP ranks 12 for risk / return — above 12% of stocks peers on PortfoliosLab. Its historical combined result is below most peers; review the five component ranks for context.
Risk / Return Metrics
The table below present risk-adjusted performance metrics for Inspire Medical Systems, Inc. (INSP) and compare them to S&P 500 Index.
Values are calculated on a 1-year rolling basis and updated daily. Risk-adjusted metrics are more stable over longer periods — use the period switch above to explore them.
| INSP | Benchmark | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -2.21 | ||
| Sortino ratioReturn per unit of downside risk | -3.06 | ||
| Omega ratioGain probability vs. loss probability | 0.85 | 1.25 | -0.41 |
| Calmar ratioReturn relative to maximum drawdown | -0.83 | 2.00 | -2.83 |
| Martin ratioReturn relative to average drawdown | -1.17 | 8.49 | -9.66 |
Dividends
Dividend History
Drawdowns
Drawdowns Chart
The Drawdowns chart displays portfolio losses from any high point along the way. Drawdowns are calculated considering price movements and all distributions paid, if any.
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Worst Drawdowns
The table below displays the maximum drawdowns of the Inspire Medical Systems, Inc.. A maximum drawdown is a measure of risk, indicating the largest reduction in portfolio value due to a series of losing trades.
The maximum drawdown for the Inspire Medical Systems, Inc. was 87.72%, occurring on May 15, 2026. The portfolio has not yet recovered.
The current Inspire Medical Systems, Inc. drawdown is 84.60%.
Drawdown | Fall | Recovery | Underwater | Related event |
|---|---|---|---|---|
-87.72%May 2026 | 2y 10mo | — | 3y 17dJul 2023 - now | — |
-53.71%Mar 2020 | 20d | 2mo 26d | 3mo 16dMar 2020 - Jun 2020 | COVID crash2020 |
-47.34%May 2022 | 6mo 1d | 12mo 4d | 1y 6moNov 2021 - May 2023 | Bear market2022 |
-34.95%Dec 2018 | 3mo 3d | 2mo 3d | 5mo 6dSep 2018 - Feb 2019 | Rate-hike selloffLate 2018 |
-33.83%Jun 2021 | 3mo 4d | 3mo 15d | 6mo 19dMar 2021 - Sep 2021 | — |
Drawdown Indicators
| INSP | Benchmark | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -87.72% | -56.78% | -30.94% |
Max Drawdown (1Y)Largest decline over 1 year | -72.19% | -9.10% | -63.09% |
Max Drawdown (3Y)Largest decline over 3 years | -85.91% | -18.90% | -67.01% |
Max Drawdown (5Y)Largest decline over 5 years | -87.72% | -25.43% | -62.29% |
Max Drawdown (10Y)Largest decline over 10 years | — | -33.92% | — |
Current DrawdownCurrent decline from peak | -84.60% | -1.58% | -83.02% |
Average DrawdownAverage peak-to-trough decline | -28.68% | -10.70% | -17.98% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 51.14% | 2.14% | +49.00% |
Volatility
Volatility Chart
The chart below shows the rolling one-month volatility.
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Financials
Financial Performance
The chart below illustrates the trends in the financial health of Inspire Medical Systems, Inc. over time, highlighting three key metrics: Total Revenue, Earnings Before Interest and Taxes (EBIT), and Net Income.
Valuation
The Valuation section provides an overview of how Inspire Medical Systems, Inc. is priced in the market compared to other companies in the Medical Devices industry. It includes key financial ratios that help investors assess whether the stock is undervalued or overvalued.
PE Ratio
The chart displays the Price-to-Earnings (P/E) ratio for INSP, comparing it with other companies in the Medical Devices industry. Currently, INSP has a P/E ratio of 11.2. This P/E ratio is considered low compared to industry peers, which may suggest that the stock is undervalued or that the company has weaker growth prospects.
PEG Ratio
The chart shows the Price/Earnings to Growth (PEG) ratio for INSP compared to other companies in the Medical Devices industry. INSP currently has a PEG ratio of 0.1. This PEG ratio is low compared to industry peers, which could indicate the stock is undervalued relative to its expected growth.
PS Ratio
This chart shows the Price-to-Sales (P/S) ratio for INSP relative to other companies in the Medical Devices industry. Currently, INSP has a P/S ratio of 1.6. This P/S ratio falls within the average range for the industry, suggesting the stock is fairly valued based on its revenue.
PB Ratio
The chart illustrates the Price-to-Book (P/B) ratio for INSP in comparison with other companies in the Medical Devices industry. Currently, INSP has a P/B value of 1.8. This P/B ratio is in line with the industry average, suggesting the stock is valued fairly in relation to its book value.
Income Statement
| TTM | |
|---|---|
Revenue | |
Total Revenue | — |
Cost Of Revenue | — |
Gross Profit | — |
Operating Expenses | |
Selling, General & Admin Expenses | — |
R&D Expenses | — |
Depreciation And Amortization | — |
Total Operating Expenses | — |
Income | |
Income Before Tax | — |
Operating Income | — |
EBITDA | — |
EBIT | — |
Earnings From Continuing Operations | — |
Net Income | — |
Income Tax Expense | — |
Other Non-Operating Income (Expenses) | — |
Extraordinary Items | — |
Discontinued Operations | — |
Effect Of Accounting Charges | — |
Non Recurring | — |
Minority Interest | — |
Other Items | — |
Interest Income | — |
Interest Expense | — |
Net Interest Income | — |
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